/*
   Copyright (c) 2023 李伟国
   learner-platform is licensed under Mulan PSL v2.
   You can use this software according to the terms and conditions of the Mulan PSL v2. 
   You may obtain a copy of Mulan PSL v2 at:
               http://license.coscl.org.cn/MulanPSL2 
   THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND, EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT, MERCHANTABILITY OR FIT FOR A PARTICULAR PURPOSE.  
   See the Mulan PSL v2 for more details. 
*/

package cn.platform.utils;

import org.springframework.web.context.request.RequestContextHolder;
import org.springframework.web.context.request.ServletRequestAttributes;

import javax.servlet.http.HttpServletRequest;

public class UserUtil {

    public static String getAuthorization(){
        ServletRequestAttributes requestAttributes = (ServletRequestAttributes) RequestContextHolder.getRequestAttributes();
        HttpServletRequest request = requestAttributes == null? null: requestAttributes.getRequest();
        assert request != null;
        return request.getHeader("Authorization");
    }

    public static Long getUserId(){
        return JWTUtil.getUserId(getAuthorization());
    }
}
